Now we know

Among all the knotted problems in the global food supply, it’s hard to think of one that has received more focused attention than global fisheries and the challenges of overexploitation, ecological intricacy, regulatory responses, and failures.

And yet, after decades of international treaties and sustainability studies and harvest limits — some of the latter volunteered by industry — a majority of the world’s most important fishing stocks continue to decline.

Overfishing remains the key driver; other factors include pollution and.................................................................